The Jacobian for this transformation is

with determinant
, hence the area element becomes

Then the integral becomes

where
is the unit circle,

so that

Now you could evaluate the integral as-is, but it's really much easier to do if we convert to polar coordinates.

Then

Answer:
88 m^2
Step-by-step explanation:
They're simply trying to confuse you with the rest of the numbers.
7+4 = 11
^To get the base length.
8 is the height.
11*8=88.
Answer:
the likehood that an n fell on the floor is 2 in 13.
Step-by-step explanation:
Answer:
it is 25 ft
Step-by-step explanation:
you just add 7.7+7.7+4.8+4.8 to get 25